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fix a crash (#190)
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@ -109,7 +109,7 @@ local register_one_tube = function(name, tname, dropname, desc, plain, noctrs, e
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after_place_node = pipeworks.after_place,
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after_dig_node = pipeworks.after_dig,
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on_blast = function(pos, intensity)
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if intensity > 1 + 3^0.5 then
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if not intensity or intensity > 1 + 3^0.5 then
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minetest.remove_node(pos)
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return {string.format("%s_%s", name, dropname)}
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end
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